/Engine/Source/Editor/UnrealEd/Classes/Editor/UnrealEdEngine.h
Should the deletion of the given actors be outright aborted?
virtual bool ShouldAbortActorDeletion ( const [TArray](API\Runtime\Core\Containers\TArray)< [AActor](API\Runtime\Engine\GameFramework\AActor) * > & InActorsToDelete, [FText](API\Runtime\Core\Internationalization\FText) * OutReason ) const